var imagePreview = function(imgWidth, imgHeight){
    var xOffset = 10;
    var yOffset = 30;
    $("a.preview").hover(function(e){
            this.t = this.title;
            this.title = "";
            var c = (this.t != "") ? "<br/>" + this.t : "";
            $("body").append("<div id='preview'><img src='"+ this.rel +"' alt='Image preview' width='"+imgWidth+"' height='"+imgHeight+"' />"+ c +"</div>");
            $("#preview")
                .css("top",(e.pageY - xOffset) + "px")
                .css("left",(e.pageX + yOffset) + "px")
                .fadeIn("fast");
        },
        function(){
            this.title = this.t;
            $("#preview").remove();
        });
    $("a.preview").mousemove(function(e){
        $("#preview").css("top",(e.pageY - xOffset) + "px").css("left",(e.pageX + yOffset) + "px");
    });
};